DE3432964A1 - Tragbarer sender - Google Patents

Tragbarer sender

Info

Publication number
DE3432964A1
DE3432964A1 DE19843432964 DE3432964A DE3432964A1 DE 3432964 A1 DE3432964 A1 DE 3432964A1 DE 19843432964 DE19843432964 DE 19843432964 DE 3432964 A DE3432964 A DE 3432964A DE 3432964 A1 DE3432964 A1 DE 3432964A1
Authority
DE
Germany
Prior art keywords
transmitter
electrical
transmitter coil
coil
supply source
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
DE19843432964
Other languages
German (de)
English (en)
Inventor
Junji Okazaki Aichi Kitagawa
Kouichi Yamanoue
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Soken Inc
Original Assignee
Nippon Soken Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Soken Inc filed Critical Nippon Soken Inc
Publication of DE3432964A1 publication Critical patent/DE3432964A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00182—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C2009/00753—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys
    • G07C2009/00769—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys with data transmission performed by wireless means
    • G07C2009/00777—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys with data transmission performed by wireless means by induction

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transmitters (AREA)
  • Near-Field Transmission Systems (AREA)
DE19843432964 1983-09-08 1984-09-07 Tragbarer sender Withdrawn DE3432964A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58165688A JPS6057729A (ja) 1983-09-08 1983-09-08 携帯用送信器

Publications (1)

Publication Number Publication Date
DE3432964A1 true DE3432964A1 (de) 1985-03-28

Family

ID=15817149

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19843432964 Withdrawn DE3432964A1 (de) 1983-09-08 1984-09-07 Tragbarer sender

Country Status (3)

Country Link
US (1) US4631736A (enrdf_load_stackoverflow)
JP (1) JPS6057729A (enrdf_load_stackoverflow)
DE (1) DE3432964A1 (enrdf_load_stackoverflow)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61111024A (ja) * 1984-11-06 1986-05-29 Matsushita Electric Ind Co Ltd 無線送信装置
JPS62199133A (ja) * 1986-02-27 1987-09-02 Nec Corp 自動車電話接続方式
ES2026498T3 (es) * 1986-08-12 1992-05-01 Siemens Aktiengesellschaft Instalacion electronica de cierre con al menos una cerradura especialmente para automoviles.
JPS6370314A (ja) * 1986-09-12 1988-03-30 Toshiba Corp 電磁石電源
US4843401A (en) * 1988-01-26 1989-06-27 Atlantic Richfield Method and apparatus for generating and radiating electromagnetic energy
JPH0759109B2 (ja) * 1988-04-20 1995-06-21 日本電気株式会社 終話処理機能付自動車電話端末機
US4942393A (en) * 1988-05-27 1990-07-17 Lectron Products, Inc. Passive keyless entry system
JPH0752849B2 (ja) * 1989-01-26 1995-06-05 日本電気株式会社 送信回路
US5276910A (en) * 1991-09-13 1994-01-04 Resound Corporation Energy recovering hearing system
DE4413240A1 (de) * 1994-04-16 1995-10-19 Bosch Gmbh Robert Vorrichtung und ein Verfahren zur Ansteuerung eines elektromagnetischen Verbrauchers
US5822373A (en) * 1995-08-17 1998-10-13 Pittway Corporation Method and apparatus for optimization of wireless communications
US5883776A (en) * 1997-06-30 1999-03-16 General Motors Corporation Apparatus and method for improving response time of electromagnetic actuators
US6700310B2 (en) 2000-10-13 2004-03-02 Lear Corporation Self-powered wireless switch
US20020070635A1 (en) * 2000-10-13 2002-06-13 Morrison Gerald O. Self-powered wireless switch

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US324621A (en) * 1885-08-18 Electric elevator
US2844712A (en) * 1954-01-14 1958-07-22 Rca Corp Automatic power reducer for transmitters
GB1025102A (en) * 1961-11-09 1966-04-06 Burndept Ltd Radio rescue beacon
US3980996A (en) * 1973-09-12 1976-09-14 Myron Greenspan Self-sustaining alarm transmitter device
US4093877A (en) * 1976-12-30 1978-06-06 Nixdorf Computer Ag Semi-conductor switching circuit with transistor switching power loss reduction means

Also Published As

Publication number Publication date
JPH0320935B2 (enrdf_load_stackoverflow) 1991-03-20
US4631736A (en) 1986-12-23
JPS6057729A (ja) 1985-04-03

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Legal Events

Date Code Title Description
8139 Disposal/non-payment of the annual fee